BMW 1 3 5 Series E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035

BMW 1 3 5 Series E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor is a used component from the Starter motor parts group, designed for BMW diesel units from the E60 and E90 series with M47N2 and M57N2 engines. It is a practical solution for users who want to restore proper engine starting while maintaining a favorable cost-to-quality ratio. Thanks to its factory design, the starter motor works with the drivetrain of these units in a predictable and stable manner.

Specifications and technical data

• SKU: 7798035-2
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 7798035
• Substitutable numbers: 12417798035, 7798035, 12417798036, 7798036
• Category: Starter Motor Parts

Purpose and function of the starter motor

The presented starter motor is the component responsible for initiating the start of the diesel engine in BMW E60 and E90 models with M47N2 and M57N2 units. Its task is to efficiently transfer torque to the flywheel so that the engine can begin independent operation across its full range of parameters. The design is adapted to the high compression characteristics of diesel engines, which translates into appropriate mechanical durability.

This type of starter motor works with the vehicle's electrical system and control unit, ensuring repeatable starting both when the engine is cold and warm, provided that other system components (battery, cables, grounds) are in proper condition.

Benefits of using a used starter motor

Using a used starter motor in a BMW with an M47N2 or M57N2 engine allows for reducing repair costs while maintaining functionality similar to a factory part. In many cases, this is the solution chosen for comprehensive maintenance of older E60 and E90 series vehicles, where a reasonable service budget is a priority.

The main advantages of this solution include:

• the ability to match the specific engine version thanks to structural compatibility,
• preservation of original mounting geometry and electrical connections,
• no need for modifications to the vehicle's starting system.

For many BMW users, choosing a used component is a compromise between cost and maintaining the proper operating characteristics of the starting system.

Technical and assembly aspects

The starter motor intended for M47N2 and M57N2 engines is designed to work with the factory flywheel and engine accessories. Proper fitment to the gearbox housing and mounting points facilitates installation in workshop conditions. This allows the mechanic to focus on correctly seating the component, tightening the bolts, and connecting the power and control cables, without the need for adaptations or modifications.

When replacing the starter motor, it is recommended to:

• check the condition of power and ground cables,
• verify the battery status,
• inspect electrical connections for corrosion and looseness.

This approach allows you to fully utilize the potential of the installed component and reduce the risk of starting problems after assembly.

Brand, condition, and fitment for BMW

The starter motor is offered as an Unbranded product, which means it is not signed with a specific manufacturer's logo, but remains functionally matched for use in M47N2 and M57N2 engines. The component comes from the secondary market and is marked as used, which is important when planning a repair budget and choosing a service strategy for the vehicle.

For BMW owners who are considering a wider use of second-hand parts, we have prepared material explaining the advantages of this approach – from economic issues to ecological aspects. More information can be found in the article Used parts for BMW – is it worth it? Key benefits for fans of the brand.

Expansion of the starting system and related parts

When working on the starting system of a BMW E60 or E90, it is also worth considering the inspection of other components responsible for starting the engine, such as power cables, ground points, or engine accessories affecting starting resistance. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional starter motors, mounting sub-assemblies, or compatible housings, check the available parts in the Unbranded starter motor parts category.